ARTICLES

• Pressure Distribution in a Porous Medium During the Colmatage Phenomenon Accurring According to the First Kinetics without Linearization of the Expression Defining the Porosity of the Considered Medium as a Function of Position and Time

  Wiktor FILIPEK, Krzysztof BRODA

  7–14
• Changes in the Economic Result of Quarries

  Jaroslav DVOŘÁČEK, Radmila SOUSEDÍKOVÁ, Radmila ZAPLETALOVÁ, Petr RYS

  15–22
• Badania zapylenia powietrza w warunkach kopalnianych podczas pracy prototypu kompaktowego suchego odpylacza filtracyjnego

  Zbigniew KUCZERA, Rafał ŁUCZAK, Piotr ŻYCZKOWSKI, Zbigniew SZKUDLAREK, Marek KALITA, Piotr KRAWCZYK, Piotr CHONDROKOSTAS

  23–28
• Management of the Rare Earth Elements (REE) in the Global Economy: Neodymiun Case Study

  Dariusz SALA, Bogusław BIEDA

  29–36
• Gold Market Analysis – Selected Aspects

  Barbara KOWAL, Szymon PRUSAK, Przemysław POKUSA

  37–44
• The Effectiveness of Some Coal-Based Mineral Compositions in the Decontamination and Environmental Protection of the Small Urban Rivers’ Watery

  Sergiy BORUK, Vasyl KULISH, Igor WINKLER, Olena BORUK, Vitaliy KOCHAN

  45–50
• Clean Technology for Coal Desulphuration to Reduce SO2 Emissions from Coal Combustion in Thermal Power Plants

  Camelia BĂDULESCU, Diana MARCHIŞ, Daniela Ionela CIOLEA

  51–56
• Environment and its Influence on Aquatic Ecosystems Industrial Landscape

  Šárka KROČOVÁ, Vladimír ČABLÍK, Darja KUBEČKOVÁ, Małgorzata KRYLOW, Kamila ROUCHALOVÁ

  57–62
• Obtaining titanium concentrates from fly ash

  Henryk ŚWINDER

  64–68
• A System for Monitoring the Position of Brown Coal Bucket-Whell Excavators and their Operational Safety

  Vít SLÁDEK, Stanislav DEJL, Roman KAPICA, Dana VRUBLOVÁ, Roman BAUER

  69–78
• Application of ANN Artificial Neural Networks to Predict Air Temperature in Longwall Workings of Vietnamese Anthracite Mines

  Truong Tien QUAN, Klaudia ZWOLIŃSKA-GLĄDYS, Rafał ŁUCZAK, Marek BOROWSKI

  79–86
• Bioaccumulation and Bioleaching of Cu, Pb, and Zn from Mining Waste

  Patrik ČERMÁK, Slavomír ČERŇANSKÝ

  87–92
• Research on Creating Spatial Analysis Models for Developing COVID-19 Vulnerability Index Map in Hanoi City

  Thi Thu NGUYEN, Minh Quang NGUYEN, Long Quoc NGUYEN, Tomasz LIPECKI

  93–100
• Analysis of the Progress of the Implementation of the Europe 2020 Strategy in Respect of Climate Change and Sustainable Energy Use in Poland

  Aurelia RYBAK, Ewelina Włodarczyk

  101–108
• Determining the Level of Efficiency of Gas Distribution Enterprises in the Western Region of Ukraine

  Dariusz SALA, Kostiantyn PAVLOV, Оlena PAVLOVA, Roman DYCHKOVSKYI, Vladyslav RUSKYKH, Sergiy PYSANKO

  109–122
• Possibility of Using Secondary Waste from Thermal Processing of Municipal Waste

  Wacław ANDRUSIKIEWICZ

  123–128
• Testing and Evaluation of Physical and Chemical Properties of Waste from Desanding

  Monika CZOP, Agnieszka PETRYK, Luzia BALCERZAK, Agata JAMRY, Weronika KOPIEC, Katarzyna NOWAK, Marta PIWOWARCZYK, Weronika ZACKIEWICZ

  129–134
• Analysis of Noise Pollution at Mechanical Coal Processing Plants

  Aleksander LUTYŃSKI

  135–140
• Validation of Data Collection Methods for Survey Stockpiles Measurement

  Martina HULANOVÁ, Lukáš KUTIL, Marcela STANICZKOVÁ, Pavel ČERNOTA, Hana STAŇKOVÁ

  141–146
• The Cadastral Map Correction in an Undermined Cadastral Area

  Marcela STANICZKOVÁ, Martina HULANOVÁ, Lukáš KUTIL, Pavel ČERNOTA, Hana STAŇKOVÁ

  147–152
• Tests of Cement and Slag Mortars with SBR Rubber Granulates in Terms of Ecotoxicity and Strength

  Beata GRYNKIEWICZ-BYLINA, Barbara SŁOMKA-SŁUPIK, Bożena RAKWIC

  153–162